Note 4 - Property, Plant and Equipment (Details) - Summary of Property, Plant and Equipment (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 249,834	$ 230,011
Less accumulated depreciation	153,137	137,469
Property, plant and equipment - net	96,697	92,542
Land, Buildings and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	78,596	75,635
Machinery, Equipment and Other [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 171,238	$ 154,376